Patents Assigned to A.R.E. S.A.R.L.
  • Filter cartridge having a honeycombed outer surface, and method of manufacture
    Patent number: 4734195
    Abstract: A filter cartridge of the type made from a sheet of filter paper pleated as an accordion on a cylindrical surface. It is produced by pinching pairs of contiguous pleats at various levels in order to make on the outer surface of the cartridge a plurality of honeycombs. The invention results in substantially prolonged life of the filter cartridges, which have applications in a variety of uses, including regeneration of solvents of washing baths for dry cleaning machines, filtration of air for internal combustion engines and water filtration.
    Type: Grant
    Filed: March 3, 1986
    Date of Patent: March 29, 1988
    Assignee: A.R.E. S.A.R.L.
    Inventors: Robert Lhuillier, Michael Selesnick, Jean Vieville, John Wolfe